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A Novel Solution for distributed database Problems

INTERNATIONAL JOURNAL OF ADVANCED COMPUTER SCIENCE AND APPLICATIONS 2020年第10期11卷 468-474页

作者： Sawiris, Bishoy Sameeh Matta Abdel-Fattah, Manal A. Helwan Univ Fac Commerce & Business Adm Business Informat Syst Dept Cairo Egypt Helwan Univ Fac Comp & Informat Informat Syst Dept Cairo Egypt

distributed databases Systems (DDBS) are a set of logically networked computer databases, managed by different sites, locations and accessible to the user as a single database. DDBS is an emerging technology that is useful in data storage and retrieval purposes. Still, there are some problems and issues that degrade the performance of distributed databases. The Aim of this paper is to provide a novel solution to distributed database problems that is based on distributed database challenges collected in one diagram and on the relationship among DDB challenges in another diagram. This solution presents two methodologies for distributed databases management Systems: deep learning-based fragmentation and allocation, and blockchain technology-based security provisioning. The contribution of this paper is twofold. First, it summarizes major issues and challenges in the distributed database. Additionally, it reviews the research efforts presented to resolve the issues. Secondly, this paper presents a distributed database solution that resolves the major issue of distributed database technology. This paper also highlights the future research directions that are appropriate for distributed database technology after the implementation in a large-scale environment and recommended the technologies that can be used to ensure the best implementation of the proposed solution.

关键词： distributed database database challenges deep learning fragmentation blockchain security

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A Design Model of distributed database in Real-Time Control

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IFAC Proceedings Volumes 1990年第4期23卷 53-56页

作者： Fang Bin Peng Tian Qiang Automation Research Institute of Metallurgical Ministry Beijing PRC

The problem of traditional distributed database implementation in real-time control is discussed. According to features of data in real-time control distributed system, a enhanced performance design model (EPADM) of d... 详细信息

关键词： distributed control system distributed database real-time control data distributity communication network enhanced performance design

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An Efficient Procedure for Maintaining Materialized Views on distributed database Systems

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Systems and Computers in Japan 2000年第4-6期31卷 86-96页

作者： Kasukawa, Takeya Nakanishi, Michio Matsuda, Hideo Hashimoto, Akihiro Grad. School of Engineering Science Osaka University Toyonaka 560-8531 Japan Educ. Ctr. for Info. Processing Osaka University Toyonaka 560-8531 Japan

This paper considers a distributed database represented by the relational model, and proposes an efficient procedure to reflect the update of the base relation for materialized views defined by the inequality query from the base relation in the element database. Methods to reflect updates of the base relation on the materialized views in the distributed database include a method that calculates the tuple inserted or deleted for the materialized view due to the update of the base relation, using the existing query processing procedure, as well as a method that stores the copy of the base relation to be utilized in the database containing the materialized view. The method proposed in the paper is to store and utilize the key attribute value of the tuple satisfying a part of the inequality query condition as the materialized view, independently of the originally considered materialized view. By this mechanism, the communication cost in query processing can be reduced. The required memory area can also be reduced, compared to the case where the copy of the base relation is directly stored. This paper shows the validity of the proposed method, and compares the communication cost and the amount of data to be stored, versus the existing method. It is also shown that the proposed method is useful in the database for molecular biology. © 2000 Scripta Technica.

关键词： distributed database materialized view update reflection processing inequality query

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Support of Block Chain Technology by distributed database

Support of Block Chain Technology by Distributed Database

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2017 7th ICEA International Conference on Information Science, Library Science and Social Sciences (ILS 2017)

作者： Xudong Ling Ningxia Radio & Televion University School of Software

This paper presents the research on the support of block chain technology by distributed database. Block chain technology is the underlying technology framework of universality, which can bring profound changes in the fields of finance, economy, science and technology and even politics. According to the current development of block chain technology, block chain technology will experience Programming the digital encryption system as the main feature of the block chain 1.0 mode, the programmable financial system as the main feature of the block chain 2.0 model and the programmable society as the main feature of the block chain 3.0 model. In this paper, we will elaborate the basic model, basic principle and key technology of block chain technology, and some innovative modes of block chain outside the bit coin system, which are used in the most other block chains that are similar to Bitcoin, and only in some specific aspects of the use of bitmember models more or less variants.

关键词： Block chain distributed database General system

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Agile Reconstruction Methods Based on Agent in distributed database

Agile Reconstruction Methods Based on Agent in Distributed D...

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2004 International Symposium on distributed Computing and Applications to Business, Engineering and Science

作者： Qu YouTian Xu Hong Institute of Computer Science Studies,Zhejiang Normal University College of Information Science and engineering,Zhejiang Normal University Jinhua city,Zhejiang province,321004,P.R.China

Collaborative design has become a research topic mainly in the domain of Architecture Engineering and Construction (AEC).Data sharing is a basic requirement in collaborative AEC *** distributed database environment,a new information infrastructure and data sharing method by agent based agile database reconstruction is *** method can retrieve all partners' data information and can reconstruct a virtual distributed database with it,intelligently, flexibly and *** it makes the agent based agile software development possible for the virtual enterprise.

关键词： Agile Reconstruction Agent distributed database Collaborative Design Virtual Enterprise

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Query Optimization of distributed database Based on Parallel Genetic Algorithm and Max-Min Ant System

Query Optimization of Distributed Database Based on Parallel...

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International Symposium on Computational Intelligence and Design

作者： Wenjiao Ban Jiming Lin Jichao Tong Shiwen Li College of Information and Communication Guilin University of Electronic Technology Guilin 541004 China

ISBN: (纸本)9781467395885

Since the era of big data is coming, the first important problem is how to enhance the speed of database query. For the query optimization of distributed database, the speed of query depends on the data transfer and order of join. The cost model minimizing communication cost is the emphasis of research. Parallel Genetic Algorithm-Max-Min Ant System was proposed to seek a best query execution plan, which combines faster convergence of Genetic Algorithm, globally search ability of Max-Min Ant System and parallel property of both them. The experiment results show that the proposed algorithm is effective for query processing of multi-join, and plays important role in improving the performance of distributed database.

关键词： distributed database Genetic Algorithm Max-Min Ant System query execution plan parallel

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An Optimistic Approach in distributed database Concurrency Control

An Optimistic Approach in Distributed Database Concurrency C...

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International Conference on Computer Science and Information Technology

作者： Obaidah A. Rawashdeh Hiba A. Muhareb Nedhal A. Al-Sayid MSc. Student Computer Science Dept. Faculty of Information Technology Applied Science University Amman Jordan MSc. Student Computing Science Dept. Faculty of Information Technology Princess Sumaya University of Technology. Amman Jordan Associate Professor Computer Science Dept. Faculty of Information Technology Applied Science University Amman Jordan

ISBN: (纸本)9781467356107

In this paper, we present an optimistic concurrency control solution. The proposed solution represents an excellent blossom in the concurrency control field. It deals with the concurrency control anomalies, and, simultaneously, assures the reliability of the data before read-write transactions and after successfully committed. It can be used within the distributed database to track data logs and roll back processes to overcome distributed database anomalies. The method is based on commit timestamps for validation and an integer flag that is incremented each time a successful update on the record is committed. We show that this method overcomes inefficient taken methods (i.e. unnecessary restarts) in order to improve the performance and to increase productivity. Moreover, the method includes information about the time-stamping of transactions and flagging successfully updated data in the main-memory as it is proposed. Finally, the implemented work finds a need for an adaptive and an integrated concurrency control method in distributed database systems. Thus, a new optimistic concurrency control method is presented in this paper where it is expected to produce correct and reliable results.

关键词： Concurrency Control Optimistic distributed database Concurrency control distributed databases Control Methods Data logging timestamp reliability data

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Optimized Data Allocation Method for distributed database Systems

Optimized Data Allocation Method for Distributed Database Sy...

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2014年国际计算机科学与软件工程学术会议

作者： Hong-Yong YU De-Shuai WANG Wei ZHANG State Key Laboratory of Software Architecture Neusoft Corporation Neusoft ParkNo.2 Xinxiu StreetHunnan New DistrictShenyang 110179China

distributed database systems are of more importance since Internet-based applications are developing *** Cloud applications and mobile applications require database with better performance and *** to allocate partitioned data to database servers is important to the efficiency of the whole *** paper proposes a heuristic data allocation method to achieve minimizing overall data operation *** results show that the proposed data allocation method can reduce the data operation cost,thus improves the execution efficiency of the application.

关键词： distributed database Data allocation Heuristic algorithm Optimizing algorithm

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Query Optimization Strategies and Implementation Based on distributed database

Query Optimization Strategies and Implementation Based on Di...

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2009 2nd IEEE International Conference on Computer Science and Information Technology（ICCSIT 2009）

作者： XUE Lin College of Information Linyi Normal University Linyi,China

In this paper,on the basis of the research on the existing distributed query optimization,against the higher repetition rate,a new query processing program is presented,which completes the data dictionary,the overall model design,and then improves the query *** shows that the strategies can improve the efficiency of the query,reduce the amount of middle data,and effectively reduce the total cost of network communication.

关键词： distributed database SDD1 query optimization

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Research on distributed database High-Performance Computing Method Based on InfiniBand

Research on Distributed Database High-Performance Computing ...

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2018 International Conference on Energy, Power and Materials Engineering (EPME 2018)

作者： Ling NIE Qiao SUN Lan-mei FU Bu-qiao DENG Wei CUI Jia-song SUN Beijing GuoDianTong Network Technology Co. Ltd. E.E.Department Tsinghua University

With high bandwidth and low latency, the InfiniBand protocol has been widely used in distributed databases and high-performance computing in recent years. Compared to traditional PCI bus, 10 Gigabit Ethernet and Myrinet technology, InfiniBand in addition to the delay and bandwidth on the dominant and has a better quality of service. This paper first introduces the basic situation and principle of InfiniBand protocol and its application status in high performance computing field. Based on InfiniBand protocol, this paper proposes a high-performance message passing method based on remote direct memory access, such as delay and peak bandwidth Indicators have very good characteristics. The experimental results show that compared with the traditional technology, the improved method proposed in this paper reduces the delay of more than 20% and the bandwidth is more than doubled, and improves the system performance by reducing the transmission time of the control message.

关键词： InfiniBand protocol distributed database High performance computing Remote direct memory access

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